DEFINITIONS:1.2 Cell structure and organisation

Question 1

Organelle

Answer 1

A specialised structure with a specific function inside a cell

Question 2

Plasmodesmata (singular - plasmodesma)

Answer 2

Fine strands of cytoplasm that extend through pores in plant cell walls, connecting the cytoplasm of one cell with that of another

Question 3

Prokaryote

Answer 3

A single celled organism lacking membrane-bound organelles, such as a nucleus, with its DNA free in the cytoplasm

Question 4

Eukaryote

Answer 4

An organism containing membrane-bound organelles, with DNA in chromosomes within the nucleus

Question 5

Differentiation

Answer 5

The development of a cell into a specific type (with a specific function)

Question 6

Tissue

Answer 6

A group of cells working together with a common function, structure and origin within the embryo

Question 7

Organ

Answer 7

A group of tissues in a structural unit, working together to perform a specific function

Question 8

Magnification

Answer 8

The number of times an image is bigger than the object from which it’s derived

Question 9

Resolution

Answer 9

The smallest distance that can be distinguished as 2 separate points in a microscope